package com.itheima.exception;

import com.itheima.pojo.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

@Slf4j
@RestControllerAdvice //@ControllerAdvice + @ResponseBody
public class GlobalExceptionHandler {
    @ExceptionHandler
    public Result handleException(Exception e){
        log.error("程序出错啦",e);
        return Result.error("出错啦，请联系管理员~");
    }

    @ExceptionHandler
    public Result duplicateKeyException(DuplicateKeyException e){
        log.error("程序出错啦",e);
        String message = e.getMessage();
        int i= message.indexOf("Duplicate entry");
        String errMsg = message.substring(i);
        String[] split = errMsg.split(" ");
        String msg = split[2] + "已存在";
        return Result.error(msg);
    }
}
